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Finding the Fourth Proportional to 514,765.13, 710,375.87 and 313,561.13

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Solution

The fourth proportional to 514,765.13, 710,375.87 and 313,561.13 is: 432,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,765.13 : 710,375.87 = 313,561.13 : x
  2. Step 2: Convert to fraction form
    514,765.13/710,375.87 = 313,561.13/x
  3. Step 3: Cross multiply
    514,765.13x = 710,375.87 × 313,561.13
  4. Step 4: Simplify right side
    514,765.13x = 222,746,257,753.96
  5. Step 5: Solve for x
    x = 222,746,257,753.96/514,765.13
  6. Step 6: Final answer
    x = 432,714.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.